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Interactive Brokers Group, Inc.

IBKR
Exchange
Nasdaq
Industry
Security Brokers, Dealers & Flotation Companies
SEC CIK
0001381197

In the last 90 days, Interactive Brokers Group, Inc. insiders filed 3 open-market purchases and 0 sales; 1,119 institutions reported holding it in 13F filings for Q2 2026, worth $33.8B in total; 3 superinvestors hold it, including Viking Global Investors and Lone Pine Capital.

13F holders, Q2 2026

Institutional positions in Interactive Brokers Group, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,119
+130 vs. Q1 2026
Shares held
388.4M
+9.06M (+2.4%) vs. Q1 2026
Total value
$33.8B
+$8.41B (+33.1%) vs. Q1 2026
New holders
197
400 more added
Sold out
67
385 more reduced

12 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IBKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,119 institutions
Q1 2021: 320 institutionsQ2 2021: 319 institutionsQ3 2021: 309 institutionsQ4 2021: 339 institutionsQ1 2022: 347 institutionsQ2 2022: 345 institutionsQ3 2022: 339 institutionsQ4 2022: 403 institutionsQ1 2023: 433 institutionsQ2 2023: 424 institutionsQ3 2023: 436 institutionsQ4 2023: 456 institutionsQ1 2024: 494 institutionsQ2 2024: 548 institutionsQ3 2024: 587 institutionsQ4 2024: 710 institutionsQ1 2025: 746 institutionsQ2 2025: 802 institutionsQ3 2025: 913 institutionsQ4 2025: 980 institutionsQ1 2026: 1,001 institutionsQ2 2026: 1,119 institutions
Value heldQ2 2026: $33.8B
Q1 2021: $5.79BQ2 2021: $5.28BQ3 2021: $5.12BQ4 2021: $6.94BQ1 2022: $5.73BQ2 2022: $4.78BQ3 2022: $5.91BQ4 2022: $6.69BQ1 2023: $7.63BQ2 2023: $7.61BQ3 2023: $8.09BQ4 2023: $7.92BQ1 2024: $11.4BQ2 2024: $11.9BQ3 2024: $13.5BQ4 2024: $16.6BQ1 2025: $15.8BQ2 2025: $21.2BQ3 2025: $26.8BQ4 2025: $24.9BQ1 2026: $25.5BQ2 2026: $33.8B
Institutions holding IBKR and their total value by quarter
QuarterHoldersValue
Q2 20261,119$33.8B
Q1 20261,001$25.5B
Q4 2025980$24.9B
Q3 2025913$26.8B
Q2 2025802$21.2B
Q1 2025746$15.8B
Q4 2024710$16.6B
Q3 2024587$13.5B
Q2 2024548$11.9B
Q1 2024494$11.4B
Q4 2023456$7.92B
Q3 2023436$8.09B
Q2 2023424$7.61B
Q1 2023433$7.63B
Q4 2022403$6.69B
Q3 2022339$5.91B
Q2 2022345$4.78B
Q1 2022347$5.73B
Q4 2021339$6.94B
Q3 2021309$5.12B
Q2 2021319$5.28B
Q1 2021320$5.79B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Interactive Brokers Group, Inc.; share changes are against Q1 2026.

Institutions holding IBKR in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.33,129,663$2.88B0.04%+1,754,626+5.6%Added
Vanguard Capital Management LLC28,349,920$2.47B0.05%+169,559+0.6%Added
State Street Corp19,437,767$1.69B0.05%+345,662+1.8%Added
FMR LLC11,828,151$1.03B0.04%−673,133−5.4%Reduced
Geode Capital Management, LLC10,641,906$925.5M0.05%+198,299+1.9%Added
Greenwich Wealth Management LLC9,921,755$863.6M31.48%−2,2880.0%Reduced
Invesco Ltd.9,708,980$845.1M0.07%+61,812+0.6%Added
Vanguard Portfolio Management LLC8,724,292$759.4M0.03%−6,260,253−41.8%Reduced
Two Sigma Investments, LP8,340,400$725.9M0.55%+27,429+0.3%Added
Wellington Management Group LLP7,382,141$642.5M0.11%−2,392,651−24.5%Reduced
Kayne Anderson Rudnick Investment Management LLC6,365,531$554.1M1.72%−3,650,684−36.4%Reduced
Norges Bank6,334,173$551.3M0.05%+6,334,173New
Orbis Allan Gray Ltd6,069,270$528.3M1.82%−48,775−0.8%Reduced
London & Capital Asset Management Ltd5,975,636$520.1M4.77%+59,833+1.0%Added
Bank of America Corp5,954,055$518.2M0.03%−276,081−4.4%Reduced
American Century Companies Inc5,583,028$485.9M0.21%−161,380−2.8%Reduced
Ninety One UK Ltd5,258,689$457.7M1.02%+5,258,689New
JPMorgan Chase & Co5,187,549$457.5M0.03%−1,536,103−22.8%Reduced
Morgan Stanley5,146,242$447.9M0.02%+380,670+8.0%Added
Viking Global Investors LPSuperinvestorViking Global Investors4,830,748$420.5M1.20%+3,436,419+246.5%Added
Bamco Inc4,807,214$418.4M0.63%+759,838+18.8%Added
Neuberger Berman Group LLC4,601,941$401.3M0.27%+868,893+23.3%Added
1832 Asset Management L.P.4,340,899$377.8M0.46%−113,255−2.5%Reduced
Goldman Sachs Group Inc4,156,847$361.8M0.04%+935,302+29.0%Added
Egerton Capital (UK) LLP4,129,416$359.4M3.47%−2,145,763−34.2%Reduced
Bessemer Group Inc3,874,453$337.2M0.46%−48,283−1.2%Reduced
Charles Schwab Investment Management Inc3,838,547$334.1M0.04%+245,996+6.8%Added
TD Asset Management Inc3,651,927$317.9M0.28%+1,183,027+47.9%Added
Northern Trust Corp3,605,708$313.8M0.04%+43,882+1.2%Added
UBS Group AG3,406,122$296.5M0.05%+1,142,770+50.5%Added
Jacobs Levy Equity Management, Inc3,399,433$295.9M1.06%−531,583−13.5%Reduced
Jane Street Group, LLC3,350,116$291.6M0.19%+1,582,338+89.5%Added
Capital World Investors3,255,412$283.4M0.03%+224,492+7.4%Added
Barclays PLC2,618,674$227.9M0.07%+352,277+15.5%Added
Vanguard Fiduciary Trust Co2,505,131$218.0M0.05%+15,578+0.6%Added
Bank of New York Mellon Corp2,420,031$210.6M0.03%+137,720+6.0%Added
Legal & General Group Plc2,286,593$199.0M0.04%−219,928−8.8%Reduced
Wells Fargo & Company2,273,543$197.9M0.03%−615,638−21.3%Reduced
Progeny 3, Inc.2,195,640$191.1M9.86%00.0%Unchanged
First Trust Advisors LP2,106,272$183.3M0.11%−192,896−8.4%Reduced
Deutsche Bank AG2,074,666$180.6M0.05%+1,014,483+95.7%Added
Amundi2,029,684$176.7M0.04%−403,552−16.6%Reduced
KBC Group NV2,028,985$176.6M0.38%−86,453−4.1%Reduced
UBS Asset Management Americas Inc1,938,409$168.7M0.03%−187,243−8.8%Reduced
Raymond James Financial Inc1,695,198$147.6M0.04%−80,381−4.5%Reduced
HRT Financial LP1,633,365$142.2M0.26%+869,462+113.8%Added
D. E. Shaw & Co., Inc.1,602,534$139.5M0.09%+1,111,026+226.0%Added
FIL Ltd1,581,220$137.6M0.10%+68,830+4.6%Added
Congress Asset Management Co1,527,739$133.0M0.82%+556,210+57.3%Added
Price T Rowe Associates Inc1,504,030$130.9M0.01%+414,286+38.0%Added
Lord, Abbett & Co. LLC1,471,381$128.1M0.37%+7,560+0.5%Added
Royal Bank of Canada1,462,963$127.3M0.02%−219,551−13.0%Reduced
Agf Management Ltd1,451,924$126.4M0.49%+1,451,924New
Qube Research & Technologies Ltd1,442,839$125.6M0.14%+1,067,817+284.7%Added
TimesSquare Capital Management, LLC1,424,489$124.0M1.82%−26,350−1.8%Reduced
Robeco Institutional Asset Management B.V.1,418,704$123.5M0.15%+91,861+6.9%Added
Russell Investments Group, Ltd.1,406,208$122.4M0.11%+265,793+23.3%Added
Canada Pension Plan Investment Board1,322,682$115.1M0.06%+528,906+66.6%Added
Allspring Global Investments Holdings, LLC1,214,314$113.2M0.17%+531,859+77.9%Added
Assenagon Asset Management S.A.1,290,342$112.3M0.07%+97,593+8.2%Added
Ancient Art, L.P.1,285,193$111.9M22.86%00.0%Unchanged
Nuveen, LLC1,193,615$103.9M0.02%−72,157−5.7%Reduced
BNP Paribas Arbitrage, SA1,116,054$97.1M0.05%+196,168+21.3%Added
Empower Advisory Group, LLC1,111,873$96.8M0.23%+5,954+0.5%Added
Citadel Advisors LLC1,081,743$94.2M0.05%+345,470+46.9%Added
Dimensional Fund Advisors LP1,073,810$93.5M0.02%+23,425+2.2%Added
Hosking Partners LLP1,061,140$92.4M3.07%−134,147−11.2%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.1,050,804$91.5M0.05%+49,475+4.9%Added
Oakcliff Capital Partners, LP1,030,740$89.7M33.42%00.0%Unchanged
California Public Employees Retirement System1,011,742$88.1M0.05%+80,892+8.7%Added
Hengistbury Investment Partners LLP1,008,550$87.8M28.22%−42,284−4.0%Reduced
Healthcare of Ontario Pension Plan Trust Fund1,001,651$87.2M0.12%+738,667+280.9%Added
Vanguard Global Advisers, LLC966,952$84.2M0.04%−11,546−1.2%Reduced
Squarepoint Ops LLC964,391$83.9M0.16%+648,557+205.3%Added
Panagora Asset Management Inc945,321$82.3M0.25%+204,040+27.5%Added
Envestnet Asset Management Inc937,891$81.6M0.02%−125,284−11.8%Reduced
AustralianSuper Pty Ltd924,672$80.5M0.35%−204,952−18.1%Reduced
HSBC Holdings PLC891,791$78.3M0.04%+41,516+4.9%Added
National Pension Service895,059$77.9M0.05%−13,219−1.5%Reduced
Sumitomo Mitsui Trust Holdings, Inc.885,091$77.0M0.04%−50,289−5.4%Reduced
Bronte Capital Management Pty Ltd.883,526$76.9M8.66%−398,205−31.1%Reduced
Point72 Asset Management, L.P.867,084$75.5M0.12%+805,392+1,305.5%Added
LPL Financial LLC858,091$74.7M0.02%+10,864+1.3%Added
Vanguard Asset Management, Ltd845,950$73.6M0.05%+114,562+15.7%Added
Mackenzie Financial Corp829,288$72.2M0.07%+779,596+1,568.9%Added
Millennium Management LLC772,059$67.2M0.05%+186,259+31.8%Added
Fullerton Fund Management Co Ltd.764,962$66.6M4.28%+372,360+94.8%Added
Rhumbline Advisers761,578$66.3M0.05%−4,907−0.6%Reduced
Bristol Gate Capital Partners Inc.756,747$65.9M4.59%−378,463−33.3%Reduced
Tudor Investment Corp Et Al741,915$64.6M0.27%+405,211+120.3%Added
Walleye Capital LLC721,389$62.8M0.30%+711,121+6,925.6%Added
Compagnie Lombard Odier SCmA708,624$61.7M0.67%+11,458+1.6%Added
SG Americas Securities, LLC706,893$61.5M0.04%+459,432+185.7%Added
Ameriprise Financial Inc704,357$61.3M0.01%+189,071+36.7%Added
Blue Whale Capital LLP669,562$58.3M1.85%−44,622−6.2%Reduced
Axxion S.A.660,000$57.4M4.11%+660,000New
Natixis Advisors, L.P.647,299$56.3M0.06%+281,835+77.1%Added
Citigroup Inc629,870$54.8M0.03%−177,960−22.0%Reduced
Stifel Financial Corp628,812$54.7M0.05%−20,534−3.2%Reduced
California State Teachers Retirement System617,238$53.7M0.05%−27,794−4.3%Reduced